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4.4 Cleaning throttle valve module
Note
♦
The throttle valve module must be adapted if a new engine
control unit - J623- is installed.
♦
Carbon deposits and dirt in the limit stop can lead to incorrect
adaption values.
♦
Take care not to scratch the throttle valve housing when clean‐
ing it.
Special tools and workshop equipment required
♦ Commercially available acetone
♦ Brush
– Remove throttle valve control unit - GX3- ⇒ page 365 .
– Open the throttle valve by hand and lock in the opened position
using a plastic or wooden cotter -arrow-.
CAUTION
Risk of injury caused by acetone. Acetone is highly flammable
and may cause eye and skin irritation.
– Wear safety goggles.
– Wear protection gloves.
– Clean throttle valve housing thoroughly, especially around the
points -arrows- where the throttle valve closes, using com‐
mercially available acetone and a small brush.
– Wipe the throttle valve support with a non-fluffy cloth.
– Wait until the acetone has completely been flushed away.
– Install throttle valve module - GX3- ⇒ page 365 .
– Delete programmed values, and adapt engine control unit -
J623- to throttle valve module . Use ⇒ Vehicle diagnostic
tester.
Ateca 2017 ➤ , León 2013 ➤ , León ST 2013 ➤
4 cyl. petrol engine (1.8 l and 2.0 l with direct injection, 4 V, exhaust gas turbocharger, timing chain,
EA 888 III. Gen) - Edition 10.2018
4. Suction hose 367
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